CN106475604A - A kind of multiple-station rotation drill jig - Google Patents
A kind of multiple-station rotation drill jig Download PDFInfo
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- CN106475604A CN106475604A CN201611158670.1A CN201611158670A CN106475604A CN 106475604 A CN106475604 A CN 106475604A CN 201611158670 A CN201611158670 A CN 201611158670A CN 106475604 A CN106475604 A CN 106475604A
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- Prior art keywords
- retaining plate
- drill jig
- rotating retaining
- station rotation
- rotation drill
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
Abstract
The present invention discloses a kind of multiple-station rotation drill jig, and it includes：Model drilling body, it is fixed on external equipment；Rotating retaining plate, is used for fixing workpiece to be processed, and described rotating retaining plate is arranged in described model drilling body, is rotated around installation place；Loose pin, it is arranged in described model drilling body and rotating retaining plate is carried out position/solve determining.This way it is not necessary to install extra dividing apparatus additional it is possible to realize the multiple station of clamped one time, carry out multi-step process, using simple, easy to process；Meanwhile, using this multiple-station rotation drill jig, once mounting can be carried out the processing of multiple manufacturing procedures, simplifies machining period, and do not need to cover frock or extra purchase dividing apparatus using more, saves frock and the expense of dividing apparatus.
Description
Technical field
The present invention relates to Fixture designing technical field is and in particular to a kind of multiple-station rotation drill jig.
Background technology
Currently used for Product processing frock clamp substantially can only one station of clamping, process one procedure, so many
Frock multistation adds man-hour requirement and puts into many set frocks and add the installation of man-hour requirement multiple clamping, that is, be unfavorable for saving frock expense
With can not simplify machining period again；In order to solve this problem, the dividing apparatus (as dividing head) typically installing other purchase additional are realized
Indexing processing (the multiple station of clamped one time can carry out the processing of multiple working procedure), but using the indexing mechanism bought, increased
Buy the expense of dividing apparatus.
In view of drawbacks described above, creator of the present invention passes through long research and practice obtains the present invention finally.
Content of the invention
For solving above-mentioned technological deficiency, the technical solution used in the present invention is, provides a kind of multiple-station rotation drill jig, its
Including：
Model drilling body, it is fixed on external equipment；
Rotating retaining plate, is used for fixing workpiece to be processed, and described rotating retaining plate is arranged in described model drilling body, around installation
Place is rotated；
Loose pin, it is arranged in described model drilling body and rotating retaining plate is carried out position/solve determining.This way it is not necessary to
Install extra dividing apparatus additional it is possible to realize the multiple station of clamped one time, carry out multi-step process, using simple, processing
Convenient；Meanwhile, using this multiple-station rotation drill jig, once mounting can be carried out the processing of multiple manufacturing procedures, simplifies processing
Man-hour, and do not need to cover frock or extra purchase dividing apparatus using, save frock and the expense of dividing apparatus. more.
Preferably, described rotating retaining plate is provided with multiple indexing troughs, described loose pin is by described model drilling body
Jack insert described indexing trough in described rotating retaining plate is positioned.As such, it is desirable to the how many angle of rotation, Ke Yizhi
It is corresponding with the described jack of described model drilling body until corresponding indexing trough that selecting turns described rotating retaining plate, can make loose pin
Insert.This way it is not necessary to calculating calibrated dial it is not required that examining the number of degrees of rotation, can directly rotate and carrying out
Processing, saves process time, improves working (machining) efficiency.
Preferably, having rotating through hole in the middle part of described model drilling body, described rotating retaining plate one end is inserted and is penetrated described rotation
Turn through hole.
Preferably, also including locking nut, described rotating retaining plate inserts described rotating through hole one end and has external screw thread, institute
State locking nut and be screwed in this end.As such, it is possible to rotating retaining plate is fixed or releases with fixation when needed, structure letter
Single, easy to use.
Preferably, being fixedly installed rotary handle on described locking nut.So it is easy to screw described locking nut.
Preferably, described rotating retaining plate includes rotational positioning disk and rotary mainboard, described rotational positioning disc spins are installed
In described model drilling body, it is provided with indexing trough；Described rotary mainboard is connected with described rotational positioning disk, fixed with described rotation
The position rotation of disk and rotate.So, after indexing trough abrasion, it is easy to rotational positioning disk be changed (in the process using
In, indexing trough uses frequently and required precision is higher, easily weares and teares), and only need to change described rotational positioning disk, save material
Material.
Preferably, described rotary mainboard is provided with backing plate away from the side of described rotational positioning disk, described backing plate is arranged
There is alignment pin, for described workpiece to be processed is located and fixed within described backing plate.
Preferably, described rotating retaining plate also includes hold-down bolt, described backing plate is additionally provided with keyhole, described compression spiral shell
Described workpiece to be processed is compressed by described keyhole and is fixed on described backing plate by bolt.
Preferably, having end face on described rotating retaining plate, this end face is fitted with the end face of described workpiece to be processed
And multiple pressure transducers are provided with this end face, rotating retaining plate side is provided with instruction device, described instruction device and institute
State pressure transducer to connect by the wire being built in rotating retaining plate；Described pressure transducer sends to described instruction device
Pressure value, described instruction device receives described pressure value and calculates described equilibrium valve, and externally sends finger according to described equilibrium valve
Show.
Preferably, the computing formula of described equilibrium valve is：
In formula, MiDetermined by following formula：
Wherein, Q is equilibrium valve, and i is the sequence number of pressure transducer, and n is the sum of pressure transducer, xiFor i-th pressure
The pressure value of sensor, MiThe corresponding weighted value of pressure value for i-th pressure transducer.
Compared with the prior art the beneficial effects of the present invention is：A kind of multiple-station rotation drill jig is provided, this way it is not necessary to
Install extra dividing apparatus additional it is possible to realize the multiple station of clamped one time, carry out multi-step process, using simple, processing
Convenient；Meanwhile, using this multiple-station rotation drill jig, once mounting can be carried out the processing of multiple manufacturing procedures, simplifies processing
Man-hour, and do not need to cover frock or extra purchase dividing apparatus using, save frock and the expense of dividing apparatus. more；Need
Rotate how many angles, can directly select turn described rotating retaining plate to insert with the described of described model drilling body until corresponding indexing trough
Hole corresponds to, and loose pin can be made to insert.This way it is not necessary to calculate calibrated dial it is not required that examining rotation
The number of degrees, can directly rotate and be processed, save process time, improve working (machining) efficiency；Can be fixed to rotation when needed
Position plate is fixed or releases fixation, and structure is simple, easy to use；So, after indexing trough abrasion, it is easy to rotational positioning
Disk is changed (during using, indexing trough uses frequently and required precision is higher, easily weares and teares), and only needs to change
Described rotational positioning disk, material-saving.
Brief description
For the technical scheme being illustrated more clearly that in various embodiments of the present invention, below will be to required in embodiment description
The accompanying drawing using is briefly described.
Fig. 1 is the structure chart one of multiple-station rotation drill jig of the present invention；
Fig. 2 is the structure chart two of multiple-station rotation drill jig of the present invention；
Fig. 3 is the processing stations figure one of multiple-station rotation drill jig of the present invention；
Fig. 4 is the processing stations figure two of multiple-station rotation drill jig of the present invention；
Fig. 5 is the processing stations figure three of multiple-station rotation drill jig of the present invention；
Fig. 6 is the schematic diagram of multiple-station rotation drill jig embodiment three of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, the above-mentioned He other technical characteristic of the present invention and advantage are described in more detail.
Embodiment 1
As Fig. 1 combines shown in Fig. 3, Fig. 4, Fig. 5, a kind of multiple-station rotation drill jig, it includes：
Model drilling body 1, it is fixed on external equipment；
Rotating retaining plate 2, is used for fixing workpiece to be processed, and described rotating retaining plate 2 is arranged in described model drilling body 1, around
Installation place is rotated；
Loose pin 3, it is arranged in described model drilling body 1 and rotating retaining plate 2 is carried out position/solve determining.
As such, it is desirable to when workpiece to be processed is processed, first model drilling body is fixed on external equipment (or under drill bit)
On, then described workpiece to be processed is fixed on rotating retaining plate 2, after the described rotating retaining plate 2 of rotation reaches Working position,
Using loose pin 3, rotating retaining plate 2 is positioned, in this manner it is possible to described workpiece to be processed is carried out with first processing work
Sequence；After processing at the one of described workpiece to be processed, it is possible to use loose pin 3 solution is fixed (to be released and rotating retaining plate is determined
Position, makes described rotating retaining plate 2 can be rotated), then rotate described rotating retaining plate to after another Working position again
Using loose pin 3, rotating retaining plate is positioned, continue to carry out second manufacturing procedure to workpiece to be processed；So follow
Workpiece to be processed is taken after all manufacturing procedure completion of processing of this workpiece to be processed from rotating retaining plate 2 by ring processing
Under.
So, this multiple-station rotation drill jig is it is not necessary to install extra dividing apparatus additional it is possible to realize clamped one time multiple
Station, carries out multi-step process, using simple, easy to process；Meanwhile, using this multiple-station rotation drill jig, once mounting is just
The processing of multiple manufacturing procedures can be carried out, simplify machining period, and not need to cover frock or extra purchase indexing using more
Equipment, saves frock and the expense of dividing apparatus.
The invention aims to reducing man-hour in case lid periphery hole machined, improving work efficiency, reducing simultaneously
Make the expense of many frocks, or without the high indexing mechanism using complexity of purchasing price, save relevant device expense.
And rotating retaining plate is separate with model drilling body separable, be so conveniently replaceable part (change rotating retaining plate or
Model drilling body).
The indexing efficiency of dividing apparatus is low, need to calculate calibrated dial, needs to count when carrying out next manufacturing procedure every time
Rotate to specified pointer so that process time is longer after calculating scale, have impact on working (machining) efficiency.
Back-moving spring (in figure is not drawn into) is additionally provided with loose pin, for the reset of loose pin.
Rotating retaining plate 2 is provided with multiple indexing troughs, and loose pin 3 passes through described point of jack insertion in model drilling body 1
In degree groove, described rotating retaining plate 2 is positioned.As such, it is desirable to the how many angle of rotation, can directly select and turn described rotation
Location-plate 2 is corresponding with the described jack of described model drilling body until corresponding indexing trough, and loose pin 3 can be made to insert.This
Sample, it is not necessary to calculating calibrated dial it is not required that examining the number of degrees of rotation, can directly rotate and being processed, saving
Process time, improve working (machining) efficiency.And rotating retaining plate is separate with model drilling body separable, so it is easy to location hole abrasion
Rotating retaining plate described in Shi Genghuan part.
Wherein, described indexing trough is cylinder shape groove, is so easy to loose pin 3 and inserts or pull out, in order to rotation
Turn location-plate 2 to position and fix.
In the middle part of model drilling body 1, there is rotating through hole, described rotating through hole is inserted in described rotating retaining plate 2 one end, so, described
Rotating retaining plate can rotate around described rotating through hole.
Described rotating retaining plate inserts described rotating through hole one end and has external screw thread, and it penetrates described rotating through hole.
Described multiple-station rotation drill jig also includes locking nut 4, and described locking nut 4 is screwed in described rotating retaining plate and inserts
Enter one end of described rotating through hole, described rotating retaining plate 2 is fixed.As such, it is desirable to during fixing described rotating retaining plate
Then screw locking nut 4, fixing described rotating retaining plate；Need to rotate and during described rotating retaining plate, then screw locking nut 4, solution
Except the fixation to described rotating retaining plate, it is fixed after the correspondence position that described rotating retaining plate rotates again.As such, it is possible to
When needed rotating retaining plate 2 is fixed or releases with fixation, structure is simple, easy to use.
Rotary handle 41 is provided with described locking nut 4, described rotary handle 41 is fixed on described locking nut 4,
So it is easy to screw described locking nut 4.Rotating retaining plate is pulled to locking nut one by rotary handle rotational lock nut
Fang Yidong or reverse movement, reach the purpose unclamping and clamping rotating retaining plate.
It is only necessary to unclamp locking nut after the completion of a processing stations job, in indexing trough, pull out loose pin,
I.e. rotatable rotating retaining plate reaches the second processing stations, then puts down loose pin again and reaches positioning purpose, passes through simultaneously
Rotary handle drives locking nut rotation, reaches the purpose of locking rotating retaining plate, you can realize work operations.
Embodiment 2
Multiple-station rotation drill jig as described above, the present embodiment is different from part and is, in conjunction with shown in Fig. 2, described
Rotating retaining plate 2 includes：Rotational positioning disk 21 and rotary mainboard 22, described rotational positioning disk 21 is rotatably mounted on described model drilling body
On 1, it is provided with indexing trough (in figure is not drawn into)；Described rotary mainboard 22 is connected with described rotational positioning disk 21, with described
The rotation of rotational positioning disk 21 and rotate.Described rotational positioning disk 21 and described rotary mainboard 22 are detachable.
So, after indexing trough abrasion, be easy to rotational positioning disk 21 is changed (during using, indexing
Groove uses frequently and required precision is higher, easily weares and teares), and only need to change described rotational positioning disk, material-saving.
One end of described rotational positioning disk 21 center projections has external screw thread, and this end is inserted in described model drilling body.So, may be used
So that described rotational positioning disk 21 is fixed by locking nut 4.
Described indexing trough runs through described rotational positioning disk 21, is so easy to process described rotational positioning disk.
Described rotary mainboard 22 is provided with backing plate 23 away from the side of described rotational positioning disk 21, and described backing plate 23 is arranged
There is alignment pin 24, for workpiece to be processed is located and fixed within described backing plate.
The quantity of described alignment pin 24 is two, by backing plate and two alignment pins it is achieved that plane and two pitses accurately fixed
Position, thus described workpiece to be processed positioning is fixed on described rotating retaining plate 2.
Described rotating retaining plate 2 also includes hold-down bolt 26, and described backing plate 23 is additionally provided with keyhole 25, hold-down bolt 26
By keyhole 25, described workpiece to be processed is compressed and is fixed on described backing plate, thus by rotatable positioning member drive described in treat
The rotation of processing workpiece, to realize the setting of processing stations.
The quantity of described hold-down bolt 26 is at least two, so can fix described workpiece to be processed.
The quantity of described hold-down bolt 26 is two, so both can fix described workpiece to be processed, can shorten again and add
Between man-hour (hold-down bolt more if, then fix described workpiece to be processed when can expend the more time, thus increased
Process time).
Described rotating retaining plate 2 also includes bushing plate 27, and described bushing plate 27 is fixed on described rotary mainboard 22, thereon
It is provided with through hole, drill bit during boring is guided and positions.
The quantity of described drill jig block 27 is multiple, and quantity is identical with the quantity of indexing trough, so can be to multiple processing
The drill bit of station is guided and is positioned.
The position of described drill jig block 27 is corresponded with the position of described indexing trough, and described loose pin insertion is described to divide
After degree groove, bushing plate 27 corresponding with this indexing trough is in Working position.
Described bushing plate 27 is bolted on the side of described rotary mainboard 22, so, can be by drill jig during rotation
Plate 27 rotates successively to Working position；And according to actual needs (the drill jig such as more renewing can be changed to bushing plate 27
Plate or change there is the bushing plate of more/less through hole).
This multiple-station rotation drill jig can also carry out tapping operation, and tapping only needs to bushing plate to take down, with bore before
Thread Pilot hole is automatically positioned and can achieve.The indexing operation of the clamping for workpiece to be processed and frock is identical with boring.
This multiple-station rotation drill jig can be used for holing and also can be used for the purpose of tapping simultaneously, has positioning fast, safeguards
Convenient, there is the features such as simple to operate, strong applicability, reliability are high simultaneously.
This multiple-station rotation jig design feature is to apply indexing trough it is achieved that quickly positioning and devising independent rotation
Turn positioning disk, be easy to change rotational positioning disk during indexing trough abrasion.This multiple-station rotation drill jig positioning is simple with locking mechanism, only
Locking nut and loose pin need to be unclamped, rotation product positions loose pin again after reaching station and in location hole and locks lock
Jack panel, convenient operation, lower than using indexing mechanism to operator's skill set requirements.
Embodiment 3
Multiple-station rotation drill jig as described above, the present embodiment is different from part and is, in conjunction with shown in Fig. 6, makes
During with this multiple-station rotation drill jig, need will be fixing for workpiece to be processed after be processed, in order to ensure the precision processed, need by
Workpiece to be processed is fixed on accurate location, that is to say and the end face of workpiece to be processed is fitted with fixing end face；In the rotation of this multistation
Turn in drill jig, be to be fixed by two hold-down bolts, if one of them is not tightened or position correspondence is inaccurate, will
The fixed position making workpiece to be processed offsets, so that machining accuracy substantially reduces.
On described backing plate 23 (rotating retaining plate 2), there is end face, this end face is affixed with the end face of described workpiece to be processed
It is provided with multiple pressure transducers 28, described backing plate 23 (rotating retaining plate 2) side is provided with instruction device in conjunction and this end face
29, described instruction device is connected by the wire being built in described backing plate 23 (rotating retaining plate 2) with described pressure transducer 28
Connect.
So, described pressure transducer sends pressure value to described instruction device, and described instruction device receives described pressure
It is worth and calculates described equilibrium valve, and instruction is externally sent according to described equilibrium valve.
As such, it is possible to directly workpiece to be processed is fixed on described backing plate 23 (rotating retaining plate 2), and filled by instruction
Whether accurately to put the direct fixed position determining described workpiece to be processed, swift with judgement, save process time.
Embodiment 4
Multiple-station rotation drill jig as described above, the present embodiment is different from part and is, the calculating of described equilibrium valve
Formula is：
In formula, MiDetermined by following formula：
Wherein, Q is equilibrium valve, and i is the sequence number of pressure transducer, and n is the sum of pressure transducer, xiFor i-th pressure
The pressure value of sensor, MiThe corresponding weighted value of pressure value for i-th pressure transducer.
Basic ideas are first to ask pressure value and total product and the absolute value deducting pressure value sum, then removed with this value
With 20% pressure value sum backward under round, obtain weighted value corresponding with pressure value；Adding finally by all pressure value
The twice of weights sum divided by sum backward under round, obtain required equilibrium valve.
Have the beneficial effect that, first ask pressure value and total product and the absolute value deducting pressure value sum, then removed with this value
With 20% pressure value sum backward under round, obtain weighted value corresponding with pressure value；By this method pressure value is turned
Turn to corresponding weighted value, so, if within pressure value is without departing from the 20% of all pressure value meansigma methodss, then it adds
Weights are 0, and if pressure value deviates within the 20% of all pressure value meansigma methodss, then its weighted value is non-zero integer, partially
Higher from spending, then its weighted value is bigger；As such, it is possible to pressure value larger for deviation be screened by this kind of mode, these
The weighted value of pressure value is at least 1；Rounded downwards with the ratio of the total quantity of pressure transducer by the double summation of weighted value again
After be balanced value, if equilibrium valve be 0, this workpiece to be processed is correctly installed, if equilibrium valve be 1 or more than 1 just whole
Number, then workpiece to be processed is not correctly installed；So it is only necessary to the pressure transducer quantity deviateing normal pressure value meansigma methodss surpasses
Cross certain proportion, its equilibrium valve is just 1 or the positive integer more than 1, thus externally exporting the incorrect instruction installed；This calculating is public
Formula is simple, and convenience of calculation is it is not necessary to compare one by one to the pressure value of all pressure transducers it is only necessary to pass through this calculating public affairs
Formula just can immediately arrive at the conclusion whether correctly installed；Improve the judgement speed judging whether workpiece to be processed is correctly installed
Degree, and then improve working (machining) efficiency, shorten process time；And simply computing formula also saves system resource.
In above-mentioned judgement, if pressure transducer damages, the pressure value that it records can be larger with actual pressure value deviation；
If workpiece to be processed out-of-flatness or raised or depression in this place, the pressure value deviation that at this, pressure transducer records
Can be than larger；If the installation site of workpiece to be processed is not right, pressure value between pressure transducer thereon can mutually it
Between size deviation larger；These differ the larger pressure value of ratio, can directly pass through above-mentioned formula directly judge to draw whether because
Incorrect for installation site or workpiece to be processed flatness is not enough to be made to cannot be carried out manufacturing procedure.
The foregoing is only presently preferred embodiments of the present invention, be merely illustrative for the purpose of the present invention, and non-limiting
's.Those skilled in the art understands, it can be carried out in the spirit and scope that the claims in the present invention are limited with many changes,
Modification, in addition equivalent, but fall within protection scope of the present invention.
Claims (10)
1. a kind of multiple-station rotation drill jig is it is characterised in that include：
Model drilling body, it is fixed on external equipment；
Rotating retaining plate, is used for fixing workpiece to be processed, and described rotating retaining plate is arranged in described model drilling body, enters around installation place
Row rotation；
Loose pin, it is arranged in described model drilling body and rotating retaining plate is carried out position/solve determining.
2. multiple-station rotation drill jig as claimed in claim 1 is it is characterised in that described rotating retaining plate is provided with multiple indexing
Groove, described loose pin is inserted by the jack in described model drilling body and in described indexing trough, described rotating retaining plate is carried out determining
Position.
3. multiple-station rotation drill jig as claimed in claim 1 is it is characterised in that have rotating through hole in the middle part of described model drilling body,
Described rotating retaining plate one end is inserted and is penetrated described rotating through hole.
4. multiple-station rotation drill jig as claimed in claim 3 is it is characterised in that also include locking nut, described rotational positioning
Plate inserts described rotating through hole one end and has external screw thread, and described locking nut is screwed in this end.
5. multiple-station rotation drill jig as claimed in claim 4 is it is characterised in that be fixedly installed rotation on described locking nut
Handle.
6. as in claim 1 or 3 or 4 or 5 arbitrary described multiple-station rotation drill jig it is characterised in that described rotational positioning
Plate includes rotational positioning disk and rotary mainboard, and described rotational positioning disc spins are arranged in described model drilling body 1, is provided with point
Degree groove；Described rotary mainboard is connected with described rotational positioning disk, rotates with the rotation of described rotational positioning disk.
7. multiple-station rotation drill jig as claimed in claim 6 is it is characterised in that described rotary mainboard is away from described rotational positioning
The side of disk is provided with backing plate, and described backing plate is provided with alignment pin, for described workpiece to be processed is located and fixed within institute
State on backing plate.
8. multiple-station rotation drill jig as claimed in claim 7 is it is characterised in that described rotating retaining plate also includes compressing spiral shell
Bolt, described backing plate is additionally provided with keyhole, and described workpiece to be processed is compressed by described keyhole and fixes by described hold-down bolt
On described backing plate.
9. if described multiple-station rotation drill jig arbitrary in claim 1-5 is it is characterised in that have on described rotating retaining plate
End face, the end face of this end face and described workpiece to be processed fit and this end face on be provided with multiple pressure transducers, rotation
Location-plate side is provided with instruction device, and described instruction device and described pressure transducer are by being built in rotating retaining plate
Wire connects；Described pressure transducer sends pressure value to described instruction device, and described instruction device receives described pressure value simultaneously
Calculate described equilibrium valve, and instruction is externally sent according to described equilibrium valve.
10. multiple-station rotation drill jig as claimed in claim 9 is it is characterised in that the computing formula of described equilibrium valve is：
In formula, MiDetermined by following formula：
Wherein, Q is equilibrium valve, and i is the sequence number of pressure transducer, and n is the sum of pressure transducer, xiFor i-th pressure transducer
Pressure value, MiThe corresponding weighted value of pressure value for i-th pressure transducer.
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| CN201611158670.1A CN106475604B (en) | 2016-12-15 | 2016-12-15 | A kind of multiple-station rotation drill jig |
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| CN201611158670.1A CN106475604B (en) | 2016-12-15 | 2016-12-15 | A kind of multiple-station rotation drill jig |
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| CN106475604B CN106475604B (en) | 2018-09-07 |
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Cited By (3)
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| CN107745145A (en) * | 2017-11-16 | 2018-03-02 | 星源(十堰)悬架有限公司 | A kind of multiple-station rotation drilling tool |
| CN109692988A (en) * | 2018-12-26 | 2019-04-30 | 上海日建精密机械有限公司 | A kind of workpiece side hole processing device |
| CN113770417A (en) * | 2021-09-30 | 2021-12-10 | 成都航天万欣科技有限公司 | Axial rotation directional drilling device and method |
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| CN205414499U (en) * | 2015-12-02 | 2016-08-03 | 浙江泰坦股份有限公司 | Processing frock of porous multi -angle part of multiaspect |
| CN205342014U (en) * | 2016-01-27 | 2016-06-29 | 东风精密铸造有限公司 | Rotatory boring grab in duplex position |
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| CN107745145A (en) * | 2017-11-16 | 2018-03-02 | 星源(十堰)悬架有限公司 | A kind of multiple-station rotation drilling tool |
| CN109692988A (en) * | 2018-12-26 | 2019-04-30 | 上海日建精密机械有限公司 | A kind of workpiece side hole processing device |
| CN113770417A (en) * | 2021-09-30 | 2021-12-10 | 成都航天万欣科技有限公司 | Axial rotation directional drilling device and method |
| CN113770417B (en) * | 2021-09-30 | 2024-04-09 | 成都航天万欣科技有限公司 | Axial rotation directional drilling device and method |
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